Fred Miller
Tony Randall
Vivian Miller
Janet Leigh
Jonah
Arnold Stang
Adm. Sheridan
Bruce Gordon
Dr. Wells
Lee Meredith
Sonarman
Harvey Lembeck
Alan Briggs
Frank Schuller
Mrs. Webster
Henny Backus
Mr. Webster
Bud Hoey
Reilly
Pat Henning
Philo
Jay Laskay
Chief Petty Officer
Charles G. Martin
Mel Cheever
Ken Berry
Captain
Frank Logan
Radioman
Andy Jarrell
Secretary
Lora Kaye
Himself
Merv Griffin
Nate Ashbury
Roddy McDowall
Myrtle Ruth
Charlotte Rae
Harold Webster
Richard Dreyfuss
T.R. Hollister
Jim Backus
Lorrie Miller
Kay Cole
Marvin Webster
Lou Wagner
Tommie Miller
Gary Tigerman
Producer
George Sherman
Director
Jack Arnold
Story
Ivan Tors
Writer
Frank Telford
Art Arthur
Ricou Browning
John McGreevey
Original Music Composer
Jeff Barry
Second Assistant Director
Nat Holt Jr.
Gaffer
Walter G. Morris Jr.
Music Supervisor
Gordon Zahler
Set Decoration
Don K. Ivey
Editor
Erwin Dumbrille
Underwater Camera
Jordan Klein Sr.
Director of Photography
Clifford H. Poland Jr.
Unit Production Manager
William P. Owens
Hairstylist
Irene Aparicio
Camera Operator
James Pergola
Makeup Supervisor
Guy Del Russo
Oscar Barber
Assistant Director
William C. Gerrity
Sound Effects Editor
Leonard Davison
Art Direction
Jack T. Collis
Makeup Artist
Marlana May
Underwater Director of Photography
Lamar Boren